DCL-24-105, Updated Final Safety Analysis Report, Revision 28, Part 10
| ML24323A253 | |
| Person / Time | |
|---|---|
| Site: | Diablo Canyon  |
| Issue date: | 11/18/2024 |
| From: | Pacific Gas & Electric Co |
| To: | Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML24323A239 | List: |
| References | |
| DCL-24-105 | |
| Download: ML24323A253 (1) | |
Text
NOTES REFERENCES U1=437529 DWG NO.
X C
AS VS AMMETER TRANSFER SWITCH VOLTMETER TRANSFER SWITCH TEST SWITCH LIGHTNING ARRESTER & OPERATING COUNTER CC3 GENERATOR CONTROL - CONTROL CONSOLE EQUIPMENT LOCATIONS CH STATION ELECTRIC CONTROL BOARD EEW16 COMMUNICATION TONE RECEIVER EQUIPMENT RACK 16 MGDS 25KV ISOPHASE BUS DISCONNECT SWITCH MOTOR PM235 MECHANICAL PANEL NO. 235 RG GENERATOR RELAY BOARD RVHD STATION ELECTRICAL RELAY BOARD "D" SE1 EXCITATION SWITCHGEAR CUBICLE 1 TGN GENERATOR NEUTRAL TRANSFORMER CUBICLE TQA21 AUXILIARY TRANSFORMER 21 CONTROL CABINET TQA22 AUXILIARY TRANSFORMER 22 CONTROL CABINET RATING MFR TYPE REMARKS CATALOG OR REF DWG TABLE OF DEVICES DEVICE DESCRIPTION A
A A
A A
F PF SYN V
V V
V V
V V
V V
V PI VAR VAR VAR W
W W
WH WH WH F & WR V & VAR R PHS PHS SOL APT FTD VTD VTD VARTD WTD WTD WTD VTD ATD TACH RES 21G2 27G2 43PW 40G2 41E 46G2 49AT22X,Y 50NAT22X 50NAT22Y 51STU2 59NG2 59NSTG2 59ST1G2 59ST2G2 59G2 63AT21 63AT22 64G2 81G2 87G2 87U2 87UH2 89 51RU 32G2A,B RFM1,2 GENERATOR AMMETER GENERATOR EXCITATION FIELD AMMETER GENERATOR EXCITATION FIELD AMMETER AUX TRANSFORMER NO. 21 AMMETER AUX TRANSFORMER NO. 22 AMMETER UNIT FREQUENCY METER UNIT POWER FACTOR METER SYNCHROSCOPE GENERATOR NEUTRAL VOLTMETER GENERATOR EXCITATION FIELD VOLTMETER GENERATOR EXCITATION FIELD VOLTMETER GENERATOR PM GENERATOR VOLTMETER GENERATOR PM GENERATOR VOLTMETER SYNCHRONIZING (RUN) BUS/LINE VOLTMETER REGULATOR BALANCE VOLTMETER AUX TRANSFORMER NO. 21 VOLTMETER AUX TRANSFORMER NO. 22 VOLTMETER AUX TRANSFORMER NO. 21 VARMETER AUX TRANSFORMER NO. 22 VARMETER PULSE INITIATOR GENERATOR VARMETER GENERATOR WATTMETER AUX TRANSFORMER NO. 21 WATTMETER AUX TRANSFORMER NO. 22 WATTMETER GENERATOR WATTHOUR METER AUX TRANSFORMER NO. 21 WATTHOUR METER AUX TRANSFORMER NO. 22 WATTHOUR METER UNIT FREQUENCY & WATT RECORDER UNIT VOLT & VAR RECORDER PHASE SHIFTING TRANSFORMER PHASE SHIFTING TRANSFORMER BRUSH OPERATOR SOLENOID AUXILIARY POTENTIAL TRANSFORMER UNIT FREQUENCY TRANSDUCER GENERATOR VAR TRANSDUCER GENERATOR WATT TRANSDUCER AUX TRANSFORMER NO. 21 WATT TRANSDUCER AUX TRANSFORMER NO. 22 WATT TRANSDUCER EXCITATION FIELD VOLTAGE TRANSDUCER EXCITATION FIELD CURRENT TRANSDUCER AUX TRANSFORMER 22 GROUND RESISTOR BANK SYNCRONIZING (INCOMING) GEN VOLTMETER GENERATOR UNDERVOLTAGE RELAY MAIN TRANSFORMER TEST SWITCH GENERATOR LOSS OF FIELD RELAY AIR CIRCUIT BREAKER EXCITER FIELD GENERATOR PHASE BALANCING CURRENT RELAY INSTRUMENT NEUTRAL OVERCURRENT RELAY INSTRUMENT NEUTRAL OVERCURRENT RELAY UNIT STARTUP OVERCURRENT RELAY GENERATOR NEUTRAL OVERVOLTAGE RELAY GENERATOR NEUTRAL OVERVOLTAGE RELAY UNIT STARTUP OVERVOLTAGE RELAY UNIT STARTUP V/HZ OVERVOLTAGE ALARM RELAY GENERATOR OVERVOLTAGE RELAY SUDDEN PRESSURE DEVICE SUDDEN PRESSURE DEVICE GENERATOR FIELD GROUND DETECTOR GENERATOR UNDERFREQUENCY RELAY UNIT OVERALL DIFFERENTIAL OVERCURRENT RELAY GENERATOR DIFFERENTIAL OVERCURRENT RELAY UNIT OVERALL DIFFERENTIAL OVERCURRENT HARMONIC RESTRAINT RELAY 25KV ISOPHASE BUS MOTOR OPERATED DISCONNECT SW UNIT RUNBACK RELAY GENERATOR REVERSE POWER RELAY RADIO FREQUENCY MONITOR 0-35KA 0-1500A 0-1500A 0-3000A 0-3000A 50-70HZ 0-1-0 120V-60HZ 0-10V,0-100V 0-150 0-150 0-600V 0-600V 15-0-15V 0-150V WESTINGHOUSE WESTINGHOUSE WESTINGHOUSE WESTINGHOUSE WESTINGHOUSE WESTINGHOUSE 0-150V KA-241 KA-241 KA-241 KI-241 KI-241 KR3-241 291B46A36 291B461A12 291B461A12 714B538A10 186A237A01 186A235A01 100MV SHUNT DC 100MV SHUNT DC EXTERNAL RES AC 0-150V 0-150V 120V AC 1000-0-1000MVAR 0-40MVAR 0-15MVAR 0-1500MW 0-60MW WESTINGHOUSE WESTINGHOUSE WESTINGHOUSE CD-21 KP-241 KP-241 111C285 409C711A62 409C711A37 (2 FOR AUX TRANSFORMER 22)
BUILT-IN POWER SUPPLY 2 ELEMENT,3\\
2 ELEMENT,3\\
2 ELEMENT,3\\
2 ELEMENT,3\\
2 ELEMENT,3\\
2 ELEMENT,3\\
0-25MW 120V,2.5A 120V,2.5A WESTINGHOUSE WESTINGHOUSE ALPHA D2B-2F D2B-2F 120V AC 120V AC 115V AC 115-115/66.5V 55-65HZ 0-150V 0-150V 120V,5A 120V,5A 120V,5A 120V,5A ESTERLINE-ANGUS GE WESTINGHOUSE WESTINGHOUSE MV-832 MV-832 YT-1557 292B048G09 292B048G09 760X99G1 M#6284B 0001288 OR VT110A2 0001288 OR VT110A2 000759 OR XLWV31K5A2 000759 OR XL31K5A2 000759 OR XL31K5A2 000759 OR XL31K5A2 3 ELEMENT,4 WIRE 2 ELEMENT,3 WIRE (2 FOR AUX XFMR 22)
USED WITH FTD & WTD USED WITH VTD & WTD (FOR GEN VAR METER)
(FOR GEN VAR XDUCER)
GEN FIELD GROUND DETECTOR 3\\
1 ELEMENT 1 ELEMENT 2 ELEMENT,3\\ WATT/VAR COMB 2 ELEMENT,3\\
2 ELEMENT,3\\
2 ELEMENT,3\\
4160V,340l 120V,5A WESTINGHOUSE NOTE 1 SEE 55-140V 2.08-56l,0.79-18l 600V,1600A 3-5A GE WESTINGHOUSE WESTINGHOUSE WESTINGHOUSE WESTINGHOUSE CV-2 SB-1 KLF-1 DB-50 COQ 1875508 CPD11D 292B333A10 SHORT TIME 1-4A 1-4A 0.5-2A 5.4-20V 7-16V 70-160V 120V,15-72HZ WESTINGHOUSE WESTINGHOUSE WESTINGHOUSE WESTINGHOUSE WESTINGHOUSE WESTINGHOUSE GE SC SC SC CV-8 SV SV STV 1876047 1876047 1878393 183A205A15 1956708 1876094 12STV11A1A ALARM ONLY STARTUP ONLY STARTUP ONLY RUNNING STARTUP ONLY AUX TRANSFORMER 22X AUX TRANSFORMER 22Y 1.8-2.5V/HZ 55-140V 120-200V INST 5A,60HZ WESTINGHOUSE CV-25 90B572A22 SHORT TIME AUX TRANSFORMER 21 AUX TRANSFORMER 22 MAIN TRANSFORMER WESTINGHOUSE D-3 663293-26 BASLER WESTINGHOUSE WESTINGHOUSE WESTINGHOUSE SA-1 CO-9 HRU 292B024A09 BE1-810/U 290B225A10 1875376 100/120V AC 40-70HZ T3E-E1J A8NOF 0.5-2.5A TIME 10-40A INST 4.0A H.R.
4-16A INST TRIPS UNIT'S 500KV BKRS 0.14A MIN PICKUP HKP WESTINGHOUSE WESTINGHOUSE ROCHESTER PART OF GEN STATOR COOLING PROTECTION 120V AC 663298-58 290B038A09 CRN-1 GENERATOR BACKUP RELAY EXCITATION CUBICLE WINDING TEMP DETECTOR AUX TRANSFORMER 22 WINDING TEMP DETECTOR MAIN TRANSFORMER
- SC-SCIENTIFIC COLUMBUS,AN ESTERLINE CO.
0-6.0A 1956207 NOLLER OR SC NOLLER OR SC NOLLER OR SC NOLLER OR SC NOLLER OR SC NOLLER OR SC UNIT VOLT TRANSDUCER GENERATOR VOLT TRANSDUCER 2 RESISTOR IN PARALLEL TRIPS UNIT'S 500KV BKRS REC NO.
CG MAIN GENERATOR CONTROL BOARD ET-2000 L/U 0-2500RPM GEN TACHOMETER TQA22RX1,RX2 GROUND RESISTOR CAB 4KV AUX TRANSF 22X TQA22RY1,RY2 GROUND RESISTOR CAB 4KV AUX TRANSF 22Y 57.7-240V,2.5A ASEA BROWN BOVERI P3FB\\1\\\\
49HVAT21 WINDING TEMP DETECTOR AUX TRANSFORMER 21 H.V.
AUX TRANSFORMER 21 SUDDEN PRESSURE RELAY QUALITROL 900-003-02 REF 8 QUALITROL 104-318-01 REF 8 49LVAT21 WINDING TEMP DETECTOR AUX TRANSFORMER 21 L.V.
QUALITROL 104-318-01 REF.8 ISO-1,2 ISO METER PSI GUAD 4+
120V,4 WIRE,3\\
REF.9 78G2 GENERATOR OUT OF STEP RELAY OST 663102-64 GE EEW30 UNIT 2 500KV LINE CURRENT DIFF RELAY, RACK 4 125 VDC LFCB102 663102-63 49MT 63FP 900-009-63 GEC-ALSTHOM QUALITROL 900 SCHWEITZER SEL-221G 221G00-4256MHGB QUALITROL 900-003-02 PC5 MAIN TURBINE CONTROL SYSTEM CABINET W/VAR TD DEH INPUT GENERATOR WATT/VAR TRANSDUCER DWG.6020501-54 3 ELEMENT,3\\
INDUSTRIES MOORE PWV 3E/120AC/SPC/SM PWV/120AC,5A/2-20mA/
CABLE SPREADING ROOM EMIM CAL ISO METERING CABINET IN 12KV 3
U1 3
1 24.25/1 A
9P W
VAR PHS 1-3\\
1-3\\
7P WTD WH PI 1-3\\
W 1
VD TO COMPUTER BTH117 A
9P W
VAR PHS 1-3\\
1-3\\
1-3\\
7P WTD PI 1-3\\
V HD TO COMPUTER BTH117 A
9P W
VAR PHS 1-3\\
1-3\\
1-3\\
7P 1-3\\
V 1
TO COMPUTER BTH117 1
2 1
1 1
2 1
1 3
30/1 1
1 1
RUN W
1 W
1-3\\
V 1
1 SYNCHRONIZING POTENTIAL 4A HE 14 1
1 WTD WH PI WH 1200/5 MR (CONNECTED 1000/5)
(CONNECTED 3000/5) 3000/5 MR (CONNECTED 3000/5) 3000/5 MR (CONNECTED 3000/5) 3000/5 MR 1500/5 MR (CONNECTED 1500/5) 2500/5 5000/5 1
1 3000/5 MR (CONNECTED 3000/5) 3 1
3 (CONNECTED 2000/5) 3000/5 MR 3
(CONNECTED 2000/5) 3000/5 MR J
G FIBER OPTIC CABLES TIE LINE DIFF 7
1 3
TVA21-C TVA21-B TVA21-A 3
THA22-A TGMA-B TGMB-B TGMC-B 3
3 420KV THA22-B THA22-C 3
AUX 21 HV BUSHING CAP TAP ADAPTOR DOBLE 03C-1450-01 IEEE TYPE T BTA GDM CONN AUX 22 HV BUSHING CAP TAP ADAPTOR DOBLE 030-1523-01 DOBLE 03C-1451-01 IEEE TYPE A BTA GDM CONN TGMB-B TGMA-B TGMC-B ADAPTOR FOR PHASE A, B & C MAIN TRANSFORMERS HV BUSHING CAP TAP B,C TVA21-A, B,C THA22-A, LEGEND CAP BUSHING CAPACITANCE & POWER FACTOR TAP FIBER/ETHERNET MEDIA CONVERTER TGMA-B --- MAIN TRANSFORMER \\A HV BUSHING ADAPTOR TGMB-B --- MAIN TRANSFORMER \\B HV BUSHING ADAPTOR TGMC-B --- MAIN TRANSFORMER \\C HV BUSHING ADAPTOR THA22-A,B & C --- AUX 22 TRANSFORMER HV BUSHING ADAPTORS PHASE A, B & C TVA21-A,B & C --- AUX 21 TRANSFORMER HV BUSHING ADAPTORS PHASE A, B & C EIBMN --- DOBLE INTELL DIAGNOSTIC DEVICE FOR MAIN XFMRS HV BUSHINGS EIBAUX --- DOBLE INTELL DIAGNOSTIC DEVICE FOR AUX XFMRS HV BUSHINGS V
CC3 1
SE1 HV 400V LV 125V 41E
& POWER SUPPLIES ASSEMBLIES FIRING CIRCUIT INPUT INTELLIGENCE TRANSDUCER ISOLATION TRANSDUCER ISOLATION TRANSDUCER ISOLATION PROTECTION ATD SHUNT 1
CC3 1
SE1 SHUNT CC3 ARM PM FIELD EXC.
TACH EXC ARM PM GENERATOR GEN.FIELD 3
3 G
G J
J 7
7 87 G2 3
RG 1
CC3 C-B\\
C-B\\
RES COMPUTER TD V
C-B\\
RES V
R VAR RES TD V
TD F
TD W
TD VAR 1-3\\
PHS 1-3\\
WH PI 1-3\\
1-3\\
9P VAR W
3 PHS F
C-B\\
9P 1-3\\
1-3\\
1-3\\
CC3 32 G2B 32 G2A 46 G2 40 G2 21 1-3\\
27 G2 81 G2 ST2 G2 59 ST1 G2 C-B\\
C-B\\
B-A\\
C-B\\
35,000/5 35,000/5 PM ROTATING RECTIFIER SOL 64 G2 B
SE4 3
3 35,000/5 35,000/5 1
G J 7
25,000-120V 3 CL 3 CL 3 CL M
MGDS 35,000/5 1
1 1
HIGH FREQUENCY CT 400/5 TGN 59N V
CG CG TGN M1 RF RF MON.
M2 RF EQRFM 120VAC MAIN GENERATOR 51 87 UH2 87 U2 STU2 3
3 1-3\\
G J
7 G
G G
J J
J 7
7 7
RG G
J 7
NETWORK SCALING SUMMING &
UNIT MW BTH117 1
V A
A
~15V V
1 TO F
R 1
W R
BTH117 PF A
RES RES G2 59N 1
59 43U2 RCO SEE NOTE 2 89 TRANSFORMER BALANCE REGULATOR ADJUSTER VOLTAGE LOGIC VOLTAGE REGULATOR ADJUSTOR BASE GOVERNOR CONTROL TO DEH NEUTRAL TRANSFORMER CG TO COMPUTER MAIN TRANSFORMER WATT TRANSDUCER AUXILIARY TRANSFORMER 22Y WATT TRANSDUCER AUXILIARY TRANSFORMER 22X WATT TRANSDUCER AUXILIARY TRANSFORMER 21 WATT TRANSDUCER 1.01/1 AUTO TRANSFORMER CURRENT BALANCE 1:1 TO COMPUTER (NOT USED) 0.4362l 428A DISC LINK FLEX 1-C\\
1-A\\
POTENTIAL TRANSFORMER INVERTER TYPE POWER AMPLIFIERS 445/120V T1-1\\ T2-1\\ 120/24V VTD TO COMPUTER (NOT USED) 1 SE1 V
1 CC3 V
LV 120/240V HV 19,900V 1-100KVA 51 Ru G2 59 G2 10P R
BRUSHLESS EXCITATION 4800KW,500VDC 1-B\\
SHUNT SHUNT RG PM235 ANALYZER PURITY TO STEAM SEE REF 5 FOR CONTINUATION SYSTEM TO TLM 1800RPM, 0.48SCR 25KV,3\\,60HZ 1340MVA @ 75 PS1G, 0.90PF REGULATOR TRANSFORMER TRFM 500VA C-B\\
78 G2 1-3\\
10P SE4 A-C\\
1-3\\
TD W/VAR CONTROL TURBINE DEH PC5 14P 25KV-1200A BUS 63 FP MAIN TRANSFORMER UNIT AUXILIARY AT 1
TQA21 UNIT AUXILIARY AS VS AS VS AS VS 49 AT22X 50N AT22X RES RVHD 10/5 49 AT22Y 50N AT22Y RES RVHD 10/5 TQA22 AT 2
63 1
AT22 Y
X RVHD VS SS-1 SS-2 INC V
RVHE SS-1 SS-2 V
SYN SS-1 SS-2 SS-1 SS-2 CG CC3 W
W 3
TRANSFORMER NO. 22 MIDWAY LINE NO. 2 3
DISC LINK FLEX REF 3 MATCH CIRCLE FOR IMPEDANCE SEE REF 7 H-33.75/45/56.25MVA LV 12KV HV 25KV & TAPS 1-3\\ 60HZ OA/FA/FOA,65°C FOR IMPEDANCE SEE REF 7 Y-10.5/14/17.5MVA X-13.5/18/22.5MVA H-24/32/40MVA LVx,LVy-4.16/2.4KV HV 25KV & TAPS 1-3\\ 60HZ OA/FA/FA,60°C DISC LINK FLEX DISC LINK FLEX FOR IMPEDANCE SEE REF 7 500KV BUS NO. 1 TRANSFORMER MAIN REF NO. 3 MATCH CIRCLE REF NO. 4 MATCH CIRCLE REF NO. 4 MATCH CIRCLE REF NO. 3 MATCH CIRCLE 63 1
AT21 AT21 TQA22RY2,RY1 TQA22RX1,RX2 AT21 49HV 49LV 25KV-2000A BUS 587 2A ISO 1
10P EMIM 1-3\\
10P ISO 2
1-3\\
BACK-UP MAIN 3-1\\ 60HZ 440/492.8MVA 55/65°C-FOA HV 500KV /288.5KV & TAPS LV 25KV 17600/5 EEW30 EEW30 RG J
J G
G CH 3
H1 CAP EIBAUX 9P ELECTRONICS IDD DOBLE 9P CAP FIBER OPTIC OPTIC FIBER CAP 9P EIBMN ELECTRONICS IDD DOBLE FIBER OPTIC (MAIN XFMRS)
REMOTE COMM TRANSFORMER NO. 21 CH (AUX XFMRS)
REMOTE COMM KEY DWG. SECTION 1C LAPP PRC BTA GDM CONN SPARE (CONNECTED 2000/5) 3000/5 MR 3
NOTE 3
NOTE
- 3. ISO-METERING IS NO LONGER FUNCTIONAL, REF. NOTIFICATION #50536645.
6015585-12 9.ISO METERING MFR DWGS 441220 MT 49 05-21-2024 05-21-2024 N/A 1
0 1
1 441226-1-0.dgn 441226-1-0.dgn MNRU 4 Size MNRU N/A NOT REQUIRED PER CF3.ID5 UNIT 2 ELECTRICAL 441226 35 441226 441226 SINGLE LINE METER AND RELAY DIAGRAM GENERATOR EXCITATION MAIN AND AUXILIARY TRANSFORMERS TGM-11 46 TGM-1 46 TGM-2 46 TGM-21 46 EQOPPM2 EQOPPM1 EQOPPM1 --- 500KV OPEN PHASE CH.1 EQOPPM2 --- 500KV OPEN PHASE CH.2
- 10. OPEN PHASE PROTECTION MFG DWGS 6024618 46TGM-1 46TGM-2 46TGM-11 46TGM-21 125VDC 125VDC 125VDC 125VDC SEL NATIONAL INSTRUMENTS SEL NATIONAL 2411 2411 CRIO-9068 CRIO-9081 10 10 10 10 INSTRUMENTS 500KV OPEN PHASE CH.2 (ACTIVE DETECTION) 500KV OPEN PHASE CH.1 (ACTIVE DETECTION) 500KV OPEN PHASE CH.2 (PASSIVE DETECTION) 500KV OPEN PHASE CH.1 (PASSIVE DETECTION)
PSS TECH COMPONENT: SEL 2411 PSS TECH COMPONENT: SEL 2411 PSS TECH COMPONENT: CRIO PSS TECH COMPONENT: CRIO TRANSFORMER FOR VAR METERING.
- 1. XLWV31K5A2 DOES NOT REQUIRE THE USE OF AN EXTERNAL PHASE SHIFTING RELAYS 87U2 & 87UH2.
TRANSFORMERS 21 & 22 TO THE UNIT OVERALL DIFFERENTIAL POSITION. THERE ARE NO CURRENT CONTRIBUTIONS FROM AUX
- 2. TEST SWITCHES FOR 24.25/1A & 30/1A AUX CT'S ARE IN "ISOLATE"
- 1. DESCRIPTION OF ELECT SCHEMATIC DIAG, SYMBOLS & CKT DESIG
- 2. LIST OF EQUIPMENT LOCATION CODES
- 3. SINGLE LINE METER & RELAY DIAG 12KV SYS BUS SECT D & E
- 5. SINGLE LINE METER & RELAY DIAG 500KV SWITCHYARD
- 4. SINGLE LINE METER & RELAY DIAG 4.16KV SYS BUS SECT D & E
- 6. DELETED
- 7. SINGLE LINE DIAGRAM FOR STATION AUXILIARIES
- 8. MFR DWG. UNIT AUX TRANSFORMER 21 MANUAL 6015581-11 56654 441228 441227 103013 050003 FAZ1 Revised Per DFT-7*6135 2
35,000/5 ENERGY.
MAY BE A SOURCE OF CAUTION: THE 46 DEVICE FIBER OPTIC CABLES TIE LINE DIFF 587-2B SEL-411L 10P ITS1B-A 587-2B SET B RELAY (DCPP)
UNIT 2 XMFR 2 500KV TIE-LINE CURRENT DIFF 125V DC SEL 411L 663102-79 500KV TIE LINE DIFF RELAY 587-2A RASTER=
DGN=
Date:
CAD User:
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DIABLO CANYON POWER PLANT REVISION DESCRIPTION REV PACIFIC GAS AND ELECTRIC COMPANY SAN FRANCISCO, CALIFORNIA DRAWING DWG SCALE:
SUPSDS:
SUPSD BY:
SHEET BILL OF MATL:
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contains Sensitive Information - Withhold Under 10 CFR 2.390.
When separated from Enclosure 1, this letter is decontrolled.
PG&E Letter DCL-24-105 contains Sensitive Information - Withhold Under 10 CFR 2.390.
When separated from Enclosure 1, this letter is decontrolled.
Description of Information Removed from Revision 28 of the Updated Final Safety Analysis Report contains Sensitive Information - Withhold Under 10 CFR 2.390.
When separated from Enclosure 1, this letter is decontrolled.
PG&E Letter DCL-24-105 Page 1 of 1 contains Sensitive Information - Withhold Under 10 CFR 2.390.
When separated from Enclosure 1, this letter is decontrolled.
Description of Information Removed from Revision 28 of the Updated Final Safety Analysis Report UFSAR Sections Description of Change 3.9.2.1.1.4 5.6.1.2 Removed references to the loose parts and vibration monitoring system (LPMS) on the basis that the LPMS is obsolete and has been replaced with procedures and programs that address foreign material exclusion, prevent loose parts, and use alternative means of identifying loose parts.
15.3.1.2 15.3.1.3 15.3.1.4 15.3.1.5 15.4.1.4 15.4.1.4A 15.4.1.5A 15.4.1.6A 15.4.1.7A 15.4.1.8A 15.4.1.9A 15.4.1.10A 15.4.1.4B 15.4.1.5B 15.4.1.6B 15.4.1.7B 15.4.1.8B 15.4.1.9B 15.4.1.10B 15.4.1.11 Deleted sections of the UFSAR associated with the analysis methodologies made obsolete when the Full Spectrum LOCA Methodology was approved for use, which replaced the existing (LOCA) methodologies with the NRG-approved LOCA methodology contained in WCAP-16996-P-A, Revision 1, 'Realistic LOCA Methodology Applied to the Full Spectrum of Break Sizes (FULL SPECTRUM LOCA Methodology)."